Druck ADTS 505 User Manual
Tests Before Use
It is recommended that the following test is carried out, before use, at least once per day.
Switch the unit ON. After the power-up routine, fit the blanking caps to the outlet ports.
Carry out the standard serviceability test in section 5.
It is recommended that, for protection, the blanking caps remain fitted to the outlet ports
until required for connection to the Pitot-Static systems.
3.6.1 Aircraft System Protection
The ADTS 505 protects the aircraft system against user error and leaks in the aircraft system. The
system protection operates:
Limit checking of all aim values entered.
Automatically regains control if the leak rate is greater than the parameter rate (RtPt, ROC)
during leak testing.
The pressure controllers within the ADTS 505 have the ability to feed a leak within an aircraft system.
When first testing an aircraft system, carry out a leak test in accordance with the aircraft
If, during a leak test, a leak in the system produces a rate of climb greater than ±3000 ft/min or a
rate of change of airspeed greater than ±300 knots/min, then the pressure controllers automatically
regain control to minimise damage to the aircraft system. This AUTO LEAK RECOVERY facility can
Testing Aircraft Systems or UUT
OBSERVE THE APPROPRIATE SAFETY INSTRUCTIONS AND PROCEDURES DETAILED IN THE
AIRCRAFT MAINTENANCE MANUALS OR COMPONENT MAINTENANCE MANUALS.
Connect the hoses and appropriate adaptors to the aircraft system or UUT.
To make sure that the connections to the aircraft system or UUT are not leaking carry out a leak
test detailed in the appropriate aircraft or component manual.
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K0260 Issue No. 8